TA76431F/FR TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA76431F, TA76431FR Adjustable Precision Shunt Regulator Features * Precision Reference Voltage: VREF = 2.495 V 2% * Small Temperature Coefficient: |VREF| = 46 ppm/C * Adjustable Output Voltage: VREF VOUT 36 V * Low Dynamic Output Impedance: |ZKA| = 0.15 (Typ.) * Small Flat Package * TA76431FR is a new Toshiba shunt regulator. This device's pin assignment is the reverse of that of the TA76431F. Weight: 0.05 g (typ.) Functional Block Diagram Circuit Symbol Reference (REF) Cathode (K) Cathode (K) Reference (REF) Anode (A) Anode (A) This IC contains electrostatic sensitive elements. Please take care to avoid generating static electricity when handling these devices. Marking (1) TA76431F (2) TA76431FR Part No. (or abbreviation code) A Lot No. (weekly code) S Part No. (or abbreviation code) B A line indicates lead (Pb)-free package or lead (Pb)-free finish. Lot No. (weekly code) 1 S A line indicates lead (Pb)-free package or lead (Pb)-free finish. 2004-07-01 TA76431F/FR Pin Assignment 1 2 3 No. (1) TA76431F (2) TA76431FR 1 Cathode (K) Reference (REF) 2 Anode (A) Anode (A) 3 Reference (REF) Cathode (K) How to Order No. (1) (2) Product No. Package Type Minimum Order Packing Type TA76431F On cut tape (TE12L): 100/tape section TA76431F (TE12L) Embossed tape: 1000/tape PW-MINI (SOT-89) (surface-mount type) 100 1 tape TA76431FR On cut tape (TE12L): 100/tape section TA76431FR (TE12L) Embossed tape: 1000/tape 100 1 tape Equivalent Circuit Q4 Q3 C1 R2 Q10 Reference R3 Cathode Q2 Q11 R7 R6 C2 R4 R5 Q5 Q1 Q6 Q7 R1 Q8 R8 Q9 R9 Anode 2 2004-07-01 TA76431F/FR Maximum Ratings (Ta = 25C) Characteristics Symbol Rating Unit Cathode voltage VKA 37 V Cathode current IK -100~150 mA Reference voltage VREF 7 V Reference current IREF 50 A Reference-anode reverse current -IREF 10 mA Power dissipation (Ta = 25C) 500 PD mW 1000 (Note) Operating temperature Topr -40~85 C Storage temperature Tstg -55~150 C 2 Note: Mounted on ceramic substrate (250 mm x 0.8 mm t) Recommended Operating Conditions Characteristics Symbol Min Typ. Max Unit Cathode voltage VKA VREF 36 V Cathode current IK 1 100 mA Topr -40 85 C Operating temperature Electrical Characteristics (Unless otherwise specified, Ta = 25C, IK = 10 mA) Characteristics Reference voltage Symbol VREF Deviation of reference input voltage over temperature VREF (dev) Ratio of change in reference input voltage to the change in cathode voltage VREF/V Reference Input current Deviation of reference input current over temperature IREF IREF (dev) Test Condition Min Typ. Max Unit 2.440 2.495 2.550 V 0C < = Ta < = 70C, VKA = VREF 8 17 mV VREF < = VKA < = 10 V 0.8 2.7 10 V < = VKA < = 36 V 0.5 2.0 VKA = VREF 1.4 4 A 0C < = Ta < = 70C, VKA = VREF, R1 = 10 k, R2 = 0.3 1.2 A VKA = VREF mV/V Minimum cathode current for regulation IKmin VKA = VREF 0.4 1.0 mA Off-State cathode current IKoff VKA = 36 V, VREF = 0 V 1.0 A ZKA VKA = VREF, f < = 1 kHz, 1 mA < = IK < = 100 mA 0.15 0.5 max VREF (dev) The deviation parameters VREF (dev) and IREF (dev) are defined as the maximum variation of the VREF and IREF over the rated temperature range. The average temperature coefficient of the VREF is defined as: VREF Dynamic impedance min VREF (dev) x 10 6 VREF @25C (ppm C ) VREF = Ta Ta 3 2004-07-01 TA76431F/FR Test Parameter (1) VKA = VREF Mode (2) VKA > VREF Mode RSD RSD Input Input VKA VKA R2 R1 IK VREF IK IREF VREF R VKA = VREF 1 + 1 + IREF R1 R2 (3) OFF-State Mode RSD Input VKA IKoff Typical Application Circuits (1) 2.5 V Reference (2) Shunt Regulator VIN RSD VOUT R1 VIN R2 VOUT - 2.5 V GND R VOUT = VREF 1 + 1 + IREF R1 R2 4 2004-07-01 TA76431F/FR IK - VKA VREF - Ta 2600 150 VKA VKA = VREF 100 IK VREF 50 (mV) VKA VKA = VREF Ta = 25C Reference voltage Cathode current IK (mA) Input 0 -50 -100 -2.0 -1.0 0 1.0 Cathode voltage 2.0 3.0 2560 VREF max = 2550 mV 2520 VREF typ. = 2495 mV 2480 2440 VREF min = 2440 mV -40 0 IK min 200 0 -1.0 0 1.0 Cathode voltage 2.0 3.0 4.0 Input -30 VREF VKA IK IK = 10 mA Ta = 25C -40 0 10 20 50 VKA (V) IREF - Ta VKA Input Reference current 10 5 3 -40 3 IREF VKA = 36 V VREF = 0 V IREF IK = 10 mA 2 1 0 0 40 Ambient temperature 80 Ta 120 160 (C) VKA IK 10k IKoff (A) (nA) IKoff Off state cathode current 40 4 Input 1 30 Cathode voltage IKoff - Ta 30 (C) -20 VKA (V) 100 50 160 -10 R1 VKA = VREF Ta = 25C -200 -2.0 Ta 120 0 R2 (mV) VREF VKA IK Change in reference voltage (A) IK Cathode current 400 80 VREF - VKA IK - VKA Input 40 Ambient temperature VKA (V) 800 600 IK VREF 2400 -80 4.0 Input IK = 10 mA -40 0 40 Ambient temperature 5 80 Ta 120 (C) 2004-07-01 TA76431F/FR ZKA - f AV - f ei 1 ei ZKA RS e ZKA = o RS ei GND Ta = 25C VKA = VREF 1 mA -IK 100 mA 0.5 0.3 0.1 1k 10 k 100 k Frequency 40 1M 10 F VIN 30 10 0 10 k 100 k (W) 0 max Input 5 1.2 () 1.0 Allowable power dissipation Output 220 Output Pulse 0 0 50 Voltage swing 3 Generator f = 100 kHz GND 1 2 3 Time 10 M f (Hz) (1) Mounted on ceramic substate 2 (250 mm x 0.8 mm t) (2) Ta = 25C (1) 1 1M PD max - Ta 1.4 PD Pulse response Input monitor GND IK = 10 mA Ta = 25C Frequency 2 VOUT 20 -10 1k f (Hz) IK 220 50 10 k eo = 3 ei ZKA RS + ZKA RS ZKA 10 5 Dynamic impedance eo = IK RS (dB) eo AV 220 Open loop voltage gain ZKA () 30 10 k 60 50 4 5 125C/W 0.8 0.6 (2) 250C/W 0.4 0.2 0 0 6 20 t (s) 40 60 80 100 Ambient temperature Ta 120 140 160 (C) Safe operating area 100 A. Unstable Ta = 25C Test circuit for curve A 150 Cathode current IK (mA) A. VKA = VREF B. VKA = 5 V 80 Stable @IK = 10 mA IK C. VKA = 10 V @IK = 10 mA B. Unstable D. VKA = 15 V @IK = 10 mA Stable CL 60 Test circuit for curve B, C, D 150 40 IK D. Unstable 20 CL C. Unstable 0 0.001 0.003 0.01 0.03 0.1 0.3 1 3 Load capacitance 6 10 5 CL 30 100 (F) 2004-07-01 TA76431F/FR Package Dimensions Weight: 0.05 g (typ.) 7 2004-07-01 TA76431F/FR RESTRICTIONS ON PRODUCT USE 030619EBA * The information contained herein is subject to change without notice. * The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of TOSHIBA or others. * TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc.. * The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer's own risk. * The products described in this document are subject to the foreign exchange and foreign trade laws. * TOSHIBA products should not be embedded to the downstream products which are prohibited to be produced and sold, under any law and regulations. 8 2004-07-01